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Summary: Ctors | Methods | Inherited Methods

# MediaCodec.Callback

`public static abstract class MediaCodec.Callback`
`extends Object` ``

java.lang.Object
↳ | android.media.MediaCodec.Callback

MediaCodec callback interface. Used to notify the user asynchronously of various MediaCodec events.

## Summary

### Public constructors
`Callback()`

### Public methods
`abstract void` | `onError(MediaCodec codec, MediaCodec.CodecException e)` Called when the MediaCodec encountered an error
`abstract void` | `onInputBufferAvailable(MediaCodec codec, int index)` Called when an input buffer becomes available.
`abstract void` | `onOutputBufferAvailable(MediaCodec codec, int index, MediaCodec.BufferInfo info)` Called when an output buffer becomes available.
`abstract void` | `onOutputFormatChanged(MediaCodec codec, MediaFormat format)` Called when the output format has changed

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public constructors

### Callback

    public Callback ()

## Public methods

### onError

    public abstract void onError (MediaCodec codec,
                    MediaCodec.CodecException e)

Called when the MediaCodec encountered an error

Parameters
`codec` | `MediaCodec`: The MediaCodec object. This value cannot be `null`.
`e` | `MediaCodec.CodecException`: The `MediaCodec.CodecException` object describing the error. This value cannot be `null`.

### onInputBufferAvailable

    public abstract void onInputBufferAvailable (MediaCodec codec,
                    int index)

Called when an input buffer becomes available.

Parameters
`codec` | `MediaCodec`: The MediaCodec object. This value cannot be `null`.
`index` | `int`: The index of the available input buffer.

### onOutputBufferAvailable

    public abstract void onOutputBufferAvailable (MediaCodec codec,
                    int index,
                    MediaCodec.BufferInfo info)

Called when an output buffer becomes available.

Parameters
`codec` | `MediaCodec`: The MediaCodec object. This value cannot be `null`.
`index` | `int`: The index of the available output buffer.
`info` | `MediaCodec.BufferInfo`: Info regarding the available output buffer `MediaCodec.BufferInfo`. This value cannot be `null`.

### onOutputFormatChanged

    public abstract void onOutputFormatChanged (MediaCodec codec,
                    MediaFormat format)

Called when the output format has changed

Parameters
`codec` | `MediaCodec`: The MediaCodec object. This value cannot be `null`.
`format` | `MediaFormat`: The new output format. This value cannot be `null`.

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